<h4>Tool</h4><table border="0"><tr><td valign="top"><b>Name</b></td><td valign="top">Get Grid from Virtual Point Cloud</td></tr><tr><td valign="top"><b>ID</b></td><td valign="top">5</td></tr><tr><td valign="top"><b>Author</b></td><td valign="top">V. Wichmann, LASERDATA GmbH (c) 2014</td></tr><tr><td valign="top"><b>Specification</b></td><td valign="top">interactive</td></tr></table><hr><h4>Description</h4>The tool allows one to retrieve a grid from a virtual point cloud dataset by dragging a box (AOI) in a Map View.
Optionally, the query can be constrained by providing an attribute field and a value range that must be met.
A virtual point cloud dataset is a simple XML format with the file extension .spcvf, which can be created with the 'Create Virtual Point Cloud Dataset' tool.

<hr><h4>Parameters</h4><table border="1" width="100%" valign="top" cellpadding="5" rules="all"><tr><th>Name</th><th>Type</th><th>Identifier</th><th>Description</th><th>Constraints</th></tr>
<tr><th colspan="5">Output</th></tr><tr><td>Grid (*)</td><td>Grid list (optional output)</td><td>GRID_OUT</td><td>The output grid(s)</td><td></td></tr><tr><th colspan="5">Options</th></tr><tr><td>Filename</td><td>File path</td><td>FILENAME</td><td>The full path and name of the .spcvf file</td><td></td></tr><tr><td>Attribute Field to Grid</td><td>Integer</td><td>ATTR_FIELD_GRID</td><td>The attribute field to grid. Field numbers start with 1, so elevation is attribute field 3.</td><td>Minimum: 3
Default: 1</td></tr><tr><td>Cellsize</td><td>Floating point</td><td>CELL_SIZE</td><td>Cellsize of the output grid [map units]</td><td>Minimum: 0.001000
Default: 1.000000</td></tr><tr><td>Grid System Fit</td><td>Choice</td><td>GRID_SYSTEM_FIT</td><td>Choose how to align the ouput grid system to the AOI</td><td>Available Choices:
[0] nodes
[1] cells
Default: 1</td></tr><tr><td>Aggregation</td><td>Choice</td><td>METHOD</td><td>Choose how to aggregate the values</td><td>Available Choices:
[0] lowest
[1] highest
Default: 1</td></tr><tr><td>Constrain Query</td><td>Boolean</td><td>CONSTRAIN_QUERY</td><td>Check this parameter to constrain the query by an attribute range.</td><td>Default: 0</td></tr><tr><td>Attribute Field</td><td>Integer</td><td>ATTR_FIELD</td><td>The attribute field to use as constraint. Field numbers start with 1.</td><td>Minimum: 1
Default: 1</td></tr><tr><td>Value Range</td><td>Value range</td><td>VALUE_RANGE</td><td>Minimum and maximum of attribute range [].</td><td></td></tr></table>(*) <i>optional</i>